Desilting nozzle head



Oct. 21, 1930. c. B. HARP 1,778,942

DESILTING NOZZLE HEAD Filed Aug. 20, 1928 2 Sheets Sheet 1 agz f 12 i I 2 Y Y INVENTOR. l 'lzar/es B. 77 0 t a I I 4 v (IE/L} ATTORNEY? Oct. 21, 1930. c, HARP 1,778,942

DESIL'IING NOZZLE HEAD 4 Filed Aug. 20, 1928 2 Sheets-Sheet 2 ATTQRNEYJ apparent from the subjoind-specification; It is the primary object oflthis invention j which nozzle is reciprocable and oscillatable vvith r spect to supportyvvherebyj t may be projected and retracte'dfwith respect to;

acter described which is fiuid'operated and is actuated byithef pressure of the fluidfpro-c r j ected't'hrough' the noz'zile. further object ofithis invention'i's tof provide' details-of con} Theseobjectstogethrlwith other lobjects 7 and corresponding accomplishments 'ar e' ob-' ra by eans of'the 'en'ibod' V inventionillustrated in 1 drawing, infwhiclifz- 1 Patented Oct. 21' I930 o enemies B; 'HARR OE IOS nNGn E s, CALIFORNIA DESI'LIING Nozhprii-miib.

f 4155mm fi1d- August 5 20, 192s. Serial No. 300, 23.

This invention vrelates to Y a devicefor agitating solids, such as silt, sand; dirt or the like, settled at the bed of bodies of-liquidi Hereinafter, the-terins'ilt isused ina sense inclusive v of such solids as above mentioned; Thepresent invention is especially, adapted for agitatingsuchsolids and causing them to be suspended'in the liquid; whereby they maybe removed by causing 'a' fioWof the silt carrying liquids or taking advantage of a natural flow-Which barries such liquid with suspended solids to a place at whichit is--desired to depositthem: TlllPIQ-SQIllflIlVQlltion-"has a particular fieldxof utility in the desiltingof rivers;;canalsj water basins. or the like wherein there lsa natural flowand.

the silt carrying Water flows" to p a point or place at :which the siltisto bef-deposited. "It

also has, a particular field of utilityih-desilte ing of beds wherein an artificial 'floWof the.

silt carrying'liquidis created and the body of siltcarrying liquid is separated and "car;

ried through conduits. "toa silt receiving place. 1 There are various other uses to vvhich the invention maybe appliedyandiwlll' be the bed of silt. Another iobject er: this vention is "tof-provi'de a nozzle of the chars struction for suchanozzle.

inien sl f the Fig; 1 is a; longitudinal 'sec'tio'n throngh a nozzle equipped With means for; Withdraw ing the silt arryin ii uid iFi s; 210 5 in}; V elusive are sec'tions as seen (in-the lines 00 respondingly n'umberedin Fig 1 ;'Fig;- 6 islasection on an enlarged scale as seen; on the line 6-4; of -Fig 3; Fig-:7; is anehlar'ged ccompanying" view-.of -a fragment of -the structure shown in Fig l showingdetails of the valve; 'Figs,

8 9v d 10 are sections transverse of. the

valve; 'Fig; llis-aperspective view of the valvejplug andfFig. 12-is "Referring more particularly to the drawing and especially Fig. 1, Aindica'tes a body having. a; chamber adaptedfto be connected to a suction line for Withdrawal of silt carryingliqui'd. It; is provided-With ahoodB *SGIVlIig as an intakelfor the-*silt carrying .liquid' Projecting upwardly'from thebo'd and forming a part thereof is atubular Eg'uide C adapted to be-connected to asource-jof ed "Within theguide is atubular member: D carrying a nozzle head. The guidemembei':

' is extended to mount the cylinder 50f j a fluid operated notor E for actuating' the'noz'zle membert'o-cause mo be reciprocatedlongitudinally and oscillatedabout its axis; The intakeich'ainbe'r' iscontrolledby a valve mech anjismxincludin a s-fluid operated motor.F.

The valve at" the intake is norinally closed a perspective View fluid under pressure. Reciprocab1y inountj but-"ifs a'daptedu'ponifiuid pressurebeingin J Theygui de '15 is ottubular forin 'havin'g' 1' s ifiingbox 2 l. therein"through wiric hje tends gland 17.? *Spiral :grooves on ays; l8 extend and registers With a corresponding ,openin'g l Mountedupon-the ciproc'ablyi monnted in thfezniotor j cylinder and --is secured to" the rod 25; 'Reciprocably inounjtedWithi-nthe guide is a -tubular noz zle nienib'er' 2 9havinga'nozzle head secured theretoj'for the projection Ofiflllld; [A cross member 31' is" secured within-ithe' tubular Inernber 29 by ineansfof ipinsrwhic'h -are 1 dis l posed in the spiral slots The piston rod 7 25 is swivelled in thecross member 31, so

that the tubular member can oscillate about 7 the piston rod. The cross member and pisiton rod areso connected that the piston rod may slide downwardly through the cross member, butthe head thereon will abut municating with the space in the headQQT above the piston. Inth'e h'ead 27 1s" a relief in r norbiea nt ex e l 23 p s a the head toga pointadjacent the stufiing box ndrece v s a e i luge d ,s e ehe:

e oss n i er-tpen its upwe li evem it thereb rovidin a swivel and a one-we connection between the nozzle member andthe p stonrod.

passagewayfi? formed at one s de thereof and extending the length of the c ylinderconio neq edt e ra ve3 a- $s s 3 is iv lief port and may be controlled by the valve is obvious that the p'ort 8 l"lil;ewise' formed; onthe side, of ,the guide as indicated b3 38, A bore 39 extends from oneside of sleeve indicated by 140 has" openings 4 1 and 452 to accommodate armssecured. to; the valve plugfl Atofnesideoi?the opening tl is a po rt opening 43 and atv the opposite side. vof the open ng- 2 p rt Op ning ,1 Diametrt V eally. 1 qppo t i o p ningaez s, an inlet PO QP n ng .45; gflnit h and om unic ns-W t t e b e- 3.9 i port ee pp s t it the .;head A :port f4 8 opens tol theichamber '7 longitudinallyextending channel with'pey I andlis' disposed for registration with the" l?Q J; 3HiIH5h$ s e ve-2 A va v P g" 9 is V rotatahly moun'ted in the sIeeVeand has -a ripherally extendingiendportions 51; and; 52;

'notedgth'at the ;sleeve opening h'willalways hei-inregistllation with thenport 47. If the ve p g is nfthe p'esit on Shown in F gs- 8 nah-$2, ffinisilmay.r s thre gh h p t e2 5 f Secured to theplugfand extending laterally :45 th refrom cis em, perat ng arm 53, n as: e l d elatio lnf e s e and p ug w th t el1ea h -ope a i g r xtends; through the port 'vopening {l8 in the head and I the: opening ;4 1 .-inf the; sleeve, farm 5tgis 5D connectedtogthelplug at jthe opposite end Sleere en'dath pert 'ti'onto? either 'lin itg'thereo.

leflfteferringto; Figs. 8,; 9 1andi'lO; he

- toi engageithe sleeve. V

the portrefi and; communicating with the bore 39*i in rt ;4'Z?9pe i. e;tQ;- h low Side of 6- mthe head: ;Arm:;5 l has; journalled 'npon ilts end? arol'ler 55. Se cured tolthefilld of theiplug is a-snapaover jteW i a'te si ni p i i ebf ecu d, the other 'enol'of the tension springheing-con,

h b 'r 3f ari'd'rupit S 3 t -the 1 F1 6 sid bft p The V htsiz'e that flui'd will} V v entertl y der *above the pi'stonfaster I "2 The nap-ever mec i m s i end r e '5 r o e, h plueilir lits in ermd t iP 1 au s apressure gpiston c'an 'continue I 2 l eyiicbnnec bn Wlk finally wil .reeehg herlewe ndrofi sr veh" and the sleeve to the channel 5 0', thence to end portion, through 51, openingiii in the sleeve, and through the port 48 to the cham-- ber 37. It may then move upwardly through the chamber 33and act upon the upperside of the piston. Movement ofthe arm 53 to its opposite position as shown in EigJlO will causethe s'leewa to to be movedfso as to close port 43. When the plug-is in the position shown in FigsLS-and 9, port l i in thesleeve wil-l'iihe'closedgitherebyk.shutting of the port e6 i'rom communication with port 47, V In the positionshown in Fig. 10 in dotted lines, port 44 will have beenmoved into registratio'n with port' thereby: placing port 47 i i uni e ,-With, Port 1 5- Thu y swinging the arms to one limit of theiryposi- .tion rthe space. below the head 23 will be placed in; communication with5the space in the motor cylinder below the piston. In the Qthe ,.e me Po iti n o the a ve Pl g, t e space below the head 23 will be: placed in communication} with the ;.Chamher v 871' and through the intermediatepassages with the space. abovethefpi ston 28 QThe sleeve 40 the-walls'ofthe boreg th at thep'lug 49 in its rotation will not cause the sleeve to follow.

p nings mm, flai -h s. oh drae'e g' ef- 9f el g' en thejls r may l b obtained by; .jad d'ingg a br alting I device so; as I V qlTo opera e the; arm 53,1 a 59 ally mounted intermediateits ends upon the head27 One endis disposed to be engaged shouldfhave such iIlCtlQIlfil engagement w th the .l piston 28 p at w the [upper limit :of its travel and the-other endis pivotally secured red inis pperlres -t the armtg, v

Fluid. under pres suchias water, orfa intalc ez 'lfl .andfto thenozzle As mi g th .tllQFIIJO ZZlQ l S llppglhpOSltlQltl;gSQShOWIlL-IlIl' it a Ifiig 1,1there is a" pressure mpon the; nozzle" a iheed' e g to mevelt em l ou w ly e ends thmueh; t ne 1 e42 n; he

n emen r s-i pass from; theijlowe relieff portfi l slot than; its ll passout I15 soi ha l i e oi lie/M 2. into the i' e rel e Pe Th o, 9 e pi ndh latt r m v sjd wnwa dly i 11 ,Wi ig ;.t e3nQZ-".

zle. Itthe nozzlefstrikes obstruction the l movement; due to; t-he the nozzle and itsreturninov-ement iii-the reverse direction due to th'e spiral Ways a'ind the'pins.

intake of liquid. "A 'yoke- 69 is 'pi otelly se; 'cured to-body 64,;the arms thereof extending around" the guide and being .securedto the {piston 7 3. r'Below the'piston-73 is a compr'es sion 'sprin g 74l tending to '-hold the piston in;

itsuppe position with the valve flaps closed: Upon fluid under pressure being supplied' to 'thefno'zzleffluidpasses"through the portgZl above th e piston 7 3' and actsupon the latter to' 7 move itdbwnwa'rdljf ugainstfthe action' 0i 's'pringtfllsnd fil action'ofithe liquid tending causes the valve-plug and sleeve'to b'e swung to its opposite position; and communicat on is shut off between thesource of-fluid" supply and the chamber '37; 1 At the same timefluid isudmitted to the cylinder on the loW'erside of pistons?) and the latter is caused tot'ravel iii'en't is" continued during-- the ftirne that fluid under pressure is "supplied to' 'the nozzle; 'Up'cn the downward move'n ento'f the iiozzle,.

it is caused' to turn inoi edir'ectio-nandupon inlet h0od'63 is connected-to the body 64, th'erebeing a chamber'formed thereby having aln-outlet 65 adapted to be connected to suction apparatus. 'The'nozzlecausesagita tion of the silt and a suspensionin theliquid.

This liquid is then drawn through the chainber Gal-and outlet 65: "Securedto'the body 64; and to the guide 15 is 'al grating 'ineinber 66'to prevent rocks and like large solids from being drawn into the suction chamber- Ve'lve seats are formed at theends'or mouthofthe suction c chamber, and sectional flap valves 67arepii f y Sui'cl or ot'ally mounted'es "indicatedby 68; These valve 'fliip's open outwardly; so that theregis V iiie'inber "reciprocably supported in said guide m m unicetingfwith a'source of fluid "supply;

tendency -for thevalve toTclose against the flaps-by links 7 0i Acentef arm 71 has a pieinto the cylinder 22; and is provided a reciprocetedf and "0sclillaited;- The silt is thus liquid dreWii into-the suction chember'is d delivered to e poin of vice to cause stirriug up siltjan'd jwa'terso' as' to bring' the silt into suspension; and'the mixture may becarried away iii ziny mennerjdesired member recigroczibly supported in s i'dguice upp ' inetical'ly; controlthe V o gv ousm the nozzle maybeuseewuhout the suct on de; l

nall y reciprotute said tubular -Ii1ember'-and oscillate the letter about its axislc .t 2. A nozzle "comprising as-guide, a,; tubular member re'ciprocably supported-in said guide andpfluid operatedmeans connected to said source of supply for reciprocating said tubuler meniberi nozzl gcemprising a guide, a tubular member recip'i'ocably supported in aid guide andifcommunicating {with a {source {of fluid supplyfix headon said tubulaninen ber'heving outlets for the'projectionlof fluid therefrom and" fluidopereted means connected to seidfsource'of supplyto longitudinally recip' 4. A; nozzle comprising a guide, a tubular 1 member re'ciprfo'cably supported; in said guide va communicating i connect -l-=tosaid tubular member to operation thereof.

{a head Jon saidtubular member halvsziidtubularin'ember'to reciprocate-the latter,

guide, it tubular member a -r d guide to "cause oscillationof lelble bv said *motor. to a'utoinaticallly' control l rai iQ lthereo'ffl f I n, zzle c'onnpr siiig a mtuisi 7 member reciprocubly supported in said 'gui'de ai'1dqcoin-niunicating witliztsoulfceof fliiid supply a nozzle headion saidftubulz r member v c i i'ei' cfib fffl rdm; means" to reciprocejte said tubuler n'd an intake hood; for siltifcerrjf 5 "sposedgaround seidjtubuldrunein- 1. its mouth'u'djzicentjseidhezid, 1

mung i mists; Gr

u d tubular inenibe'r' ab'outfits ekis upon the V rocetionytliereof,"andvalve/means oper-f.

ets fdr 'tlie projection of fluid theren afi-fluid operated motorfconnected to "100 \ul'x e'ii eans' operable bysaid" motor to' a'ut'g;

operation thereof, and;

s connecting said uideunember and, Q

n en'iben to"cause; oscilletion of the p ineiiiber reciprocebly supported in said guide 1 end "communicating" zwithj ais'our'ceof l fluid supply; afliead*onfsztid tubular member have out-let's forthe projectio-njof fluid there- A ii igsgt fluidioperated inotoriconiiect'edi to l tubulurfn'iemb "having 1 r iprocabi e. V

n connected to sa d tubular 5 iiembe'r', u

' e37 connecting sziiid tubula'i l f member reciprocably supportedln said guide member reciprocablysupported'in said guide and communicating vWith a source of fluid supply, ahead on saidtubular member having tubular member, and an intake hoodifor silt outlets for the projection offluid therefrom,

means to longitudinally reciprocatesaid tu-V bular memberand oscillate. the latter about its axis and an intake hood for silt carrying andhaving its mouth-adjacentsaid head. r

9. A nozzlecomprising a guide, .a tubular and communicating with -a source of "fluid supply, a. head on said" tubular member hav ing outlets for the a projection of fluid therefrom, fluid operated -means connected to said source of supply for reciprocatingsaid carrying liquid disposed around said tubular member and havingits mouth adjacent "said h d '5, 3' 1? nozzle comprising a guide, a tubular member reciprocably supported insaid guide and communicatingflwith' a source of fluid" supply,.a head onsaijd tubular member havfrom, fluid operatedmeans connectedto said i ing outlets fortli'e-proj ect ion of fluid ther-d source oi supply to longitudinally recipro icate said tubularsmember and oscillate the latter about its: axis, and-an intakezhood for silt carrying liquid disposed around said 7 tubular member and having its'mouth adj a '1 cent said head l i 3 5 member reciprocably"supported in said guide 7 1 supply, a head haying outlets for the projec- J tionof fluidtheretrom, a fluidvoperated mo; 7 V a v ftorl connec ted to saidfltubular member togre-i jvalve operating motor including a 'cylinder connectedlto said source 'ofjsupply, a piston ciprocate the latter,,valve means actuableby said motorto automatically 'control operdtion thereof, and an mtake' hood forsllt carrylng f 7 liquid disposed around; said tubular member and having. its mouthadj'aeent said head. I

112. A nozzle comprising-a guide, atubular member reciprocably supported in said guide and communicating with a source of, fluid s pp y, a ed s 't a ember hw- 1 ring outlets-for the .proj eetion', of fluid.- there? from, I a n i fluid operated mot'or connected 1 ftoi, said tubular'member to reciprocate the latter, yalveim'eans actuable by said motor to-autoinatiically fCo-ntrol operation thereof, means 1-3. -Ain oizle comprisinga guide, atubular inieinber'reciproc ably,supported in said guide and .;cominunicating Wltli a source of: fluid supply, a headfon said tubular'inember hav-" ing outlets tor, the projectiG l 0f fluid there from, .aJQfluid i operated motor r connected to,

1 Zle 6 i1i ember reci focably supp rtedgi saidgguide flnd communicating. with" ia sourcebf fluid mane said tubularmember having a reciprocable piston connected to said tubular member, a

spiral way and: key connecting said tubular member and guide to. cause oscillation of said tubular member about its axis upon the reciprocat-ion 'thereoflfyalve means operable by i saidmotor toautom'atioally control operation liquid disposedaround said tubular'member I thereof, (and anintake hood'for silt carrying liquid disposed around said tubular mem ber. and haying its mouth adjacent said head;

outlets for theprojectionof fluidtherefrom,

fluidoperated means connected to said source of supply for reciprocatingsaid tubular jmem-,

ber,,.anintake hood for-silt'carrying liquid disposed aroundsaid tubular member and w h lw l b head val e 'means for said hood, means tending to hold saidyalve means ;in closed position, afluid operated motor connected to said source of supply and Valvemeans.

A nozzle comprising a guide,a tubular actuable. thereby to 'open said m'ember'reciprocably supported'in said-guide and'communicating wlth, a source offluldsup-r Y 7 ply, ahead: on said tubular member having outlets for the projection of fluid "therefrom, fluid operate'dimeansconnected to saidsource tubularmember, anintake hood fo r silt carmember and 7 having its mouth adj acent said prof supply to longitudinally reciprocatesaid 1, 11; A- nozzle comprisingalguide,*ajitubular I l a a I liquid disposedr around ;said tubular tiding hold Said valve 'i a siclosedg air therein, and linkage connecting said piston to cause saidfvalu'egmeans to beopened.

and; communicating with a source oi 16. Anozzlecomprising 'a guide, a'tubular fmember reciprocablysupported in said'guide -',and alue; meanslwhereby, said r piston. is" ac-'; Stuable byitheffluidfromsaid source of sup ply' i supply, a head fonsaijd tubular memberjhaving rjoutl' etsfontheprojectioiiof,fluidftherefrom, I a fluidloper ated mot-or"for reciprocatingwsaid t b ar' memb r c u ing y i d s'a p ton P therein eonnectedgt tsaidztubulan member, .passagesconnecting'saidisource f'ofsupplyand Q said cylinder, {a yalye controllingthej flow; of

workinglmotor'and means operate djby said" piston. at the limit I trayelf'to iactuatesaid lvalve;

su-pply,;a headfhaving butlets forthe projeo glajgiiide, atub'ular tion' of'fluid therefrom, lal'fluid operated limo- 'j,t oi {including;,a(reciprocablepiston connected lijuf;

automatically control operation thereof, and Q o valve mechanism for operating, said valve actuated by said piston at the limits of its travel.

18. A noz zle' comprising a guide, a tubular member reciprocably supported in said guide and communicating with a source of fluid supply, a head on said tubular member having outlets for theprojectionof fluid therefrom,

a fluid operated motor connected to said tubular member having a reciprocable piston, a piston rod connected to said tubular member by acne-Way coupling, a spiral Way and key 1 connecting said tubular'member and guide to cause oscillation of said tubular member about its axis upon the reciprocation thereof,

a valve operable by said motor to automatically control operation thereof, and valve mechanism for operating said valve actuated c by said piston at thelimits of its travel.

19. A nozzle comprising a guide, a tubular member'reciprocably supported in said guide and communicating With a source of fluid supply, a head on said tubular member having outlets for the projection of fluid thereffrom, a fluid operated motor connected to. I said tubular member vhaving a reciprocable' piston, a piston rod connectedto said tubular member by a one-Way coupling, a spiral Way 1 andkey connecting said tubular member and guide to cause oscillation of said tubular memher about its axis upon the reciprocation thereof, a valve operable by said motor to automatically control operation thereof, and valve mechanism for operating said valve actuated said piston at the end of its travel. I v a In witness that I claim the foregoing I have hereunto subscribedmy name this-14th day of August, 1928. 1

. CHARLES B. HARP. 

